<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ /** * Image_Graph - PEAR PHP OO Graph Rendering Utility. * * PHP versions 4 and 5 * * LICENSE: This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at your * option) any later version. This library is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. You should have received a copy of * the GNU Lesser General Public License along with this library; if not, write * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA * * @category Images * @package Image_Graph * @subpackage Figure * @author Jesper Veggerby <pear.nosey@veggerby.dk> * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version CVS: $Id: Ellipse.php,v 1.9 2005/08/24 20:36:00 nosey Exp $ * @link http://pear.php.net/package/Image_Graph */ /** * Include file Image/Graph/Element.php */ require_once 'Image/Graph/Element.php'; /** * Ellipse to draw on the canvas * * @category Images * @package Image_Graph * @subpackage Figure * @author Jesper Veggerby <pear.nosey@veggerby.dk> * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version Release: @package_version@ * @link http://pear.php.net/package/Image_Graph */ class Image_Graph_Figure_Ellipse extends Image_Graph_Element { /** * Ellipse [Constructor] * * @param int $x The center pixel of the ellipse on the canvas * @param int $y The center pixel of the ellipse on the canvas * @param int $radiusX The width in pixels of the box on the canvas * @param int $radiusY The height in pixels of the box on the canvas */ function Image_Graph_Figure_Ellipse($x, $y, $radiusX, $radiusY) { parent::Image_Graph_Element(); $this->_setCoords($x - $radiusX, $y - $radiusY, $x + $radiusX, $y + $radiusY); } /** * Output the ellipse * * @return bool Was the output 'good' (true) or 'bad' (false). * @access private */ function _done() { if (parent::_done() === false) { return false; } $this->_canvas->startGroup(get_class($this)); $this->_getFillStyle(); $this->_getLineStyle(); $this->_canvas->ellipse( array( 'x' => ($this->_left + $this->_right) / 2, 'y' => ($this->_top + $this->_bottom) / 2, 'rx' => $this->width(), 'ry' => $this->height() ) ); $this->_canvas->endGroup(); return true; } } ?>